You won't find them on zillow or MLS.Direct marketing, driving for dollars, probate, foreclosure, divorce, code violations, dilenquent taxes, owner in jail etc.These are ways to find way below market price deals with little to no competition. 

One drawback is overpopulation of units.

If I simply ignore her complaints, will I go to jail? 

For example, failing to file a Business of Information (BOI) report correctly can result in penalties of $500 per day or even up to one year in jail if the filing is late.2.LegalZoom or Similar Services:LegalZoom can help create an LLC for about $600.

It’s so serious that, beginning January 1st in California, any lender who knowingly originates a consumer-purpose loan misrepresented as a business-purpose loan can face criminal charges and jail time.

If his intention was to rip people off, wouldn't it eventually catch up with him and he'd go to jail? 

•Stricter Penalties: Squatters found guilty of unlawful occupation face stricter penalties, including hefty fines or jail time, serving as a strong deterrent against squatting.

Then everything gets confiscated and you go to jail. 

Since I work in a jail, I'm looking for the get out of jail card.  

If some one dies, coma or goes to jail this makes it easier.